[Webkit-unassigned] [Bug 226972] CSSStyleDeclaration.overscrollBehaviorX setter behaves differently from Chrome and Firefox

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=226972

--- Comment #2 from Chris Dumez <cdumez at apple.com> ---
(In reply to Chris Dumez from comment #1)
> `obj.setProperty("overscrollBehaviorX", '');` does throw but
> `obj.overscrollBehaviorX = '';` does not.

We don't seem to have a named property setter (only a named getter), and neither does the spec:
https://drafts.csswg.org/cssom/#the-cssstyledeclaration-interface

However, Chrome has one:
    [CEReactions, CallWith=ScriptState] setter void (DOMString property, [TreatNullAs=EmptyString] DOMString propertyValue);

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